Our Data Sources
21, Colston Avenue, Carshalton has 2 entries in the Land Registry, most recently in October 2023 and a single entry in the EPC database dated July 2023.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 4 out of 5 and is considered of high accuracy.
Price Range & Condition
In very good condition, we estimate 21, Colston Avenue, Carshalton would be worth £633,827, with a potential rental value of £2,746 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £561,390, with a rental value of £2,432 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
21, Colston Avenue, Carshalton occupies a 409 m2 plot as recorded by HM Land Registry.
All 19 other houses in this postcode have recorded plot sizes, and this one ranks as the 9th largest.
Energy Efficiency
21, Colston Avenue, Carshalton has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 31 Jul 2023.
The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).
Sold Prices
21, Colston Avenue, Carshalton last changed hands on 19th October 2023, selling for £550,000. The transaction was logged as a freehold house by HM Land Registry.
In total it has sold twice since 1995.
The market for similar properties has dropped by 11.2% since October 2023.
- Sold Oct 2023£550,000
- Sold Mar 2021£400,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 224 sales of comparable properties within 540 metres of 21, Colston Avenue, Carshalton since 2018.
Most recently, 2, Browning Avenue, Sutton, SM1 3QU, a freehold house, sold at £670,000 on the 26th February 2026.
Read more about house prices in SM5.
- Sold Feb 2026£670,000 | 4 Bed House2, Browning Avenue, Sutton, SM1 3QU2, Browning Avenue, Sutton, SM1 3QU
- Sold Feb 2026£595,000 | 3 Bed House13, Rossdale, Sutton, SM1 4JU13, Rossdale, Sutton, SM1 4JU
- Sold Dec 2025£676,000 | 3 Bed House42, Browning Avenue, Sutton, SM1 3QU42, Browning Avenue, Sutton, SM1 3QU
- Sold Nov 2025£595,000 | 3 Bed House5, Court Drive, Sutton, SM1 3RG5, Court Drive, Sutton, SM1 3RG
- Sold Aug 2025£615,000 | 4 Bed House8, Mead Crescent, Sutton, SM1 3QS8, Mead Crescent, Sutton, SM1 3QS
Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Explore Nearby Properties
The surrounding properties have an average estimated value of £550,922, ranging from £417,203 to £674,341.
- 17 Colston Avenue
4 Bed House | 18 m | Est. Value: £589,463
- 25 Colston Avenue
3 Bed House | 20 m | Est. Value: £505,613
- 15 Colston Avenue
4 Bed House | 29 m | Est. Value: £628,406
- 28 Colston Avenue
3 Bed House | 39 m | Est. Value: £587,108
- 26 Colston Avenue
4 Bed House | 41 m | Est. Value: £674,341
Location Comparison
Our analysis of the public data ranks 21, Colston Avenue, Carshalton as the 27th largest and the 38th most expensive of the 77 addresses on Colston Avenue, Carshalton, SM5.
Against the SM5 postcode district average, it is £130k more expensive than the typical property.
More reading links
Schools Nearby
- St Mary's RC Infants School300 m away
- Harris Junior Academy Carshalton400 m away
- St Mary's RC Junior School400 m away
- Carshalton High School for Girls300 m away
- St Philomena's Catholic High School for Girls400 m away
- Carshalton Boys Sports College1.2 km away
More reading links
Public Transport Nearby
- Carshalton|300 m away
- Carshalton Beeches|1.1 km away
- Wallington|1.6 km away
Available Internet Speeds
Ofcom's latest figures show ultrafast broadband available in this area.
According to recent data from Ofcom, Ultrafast Broadband available in this area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.












